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Making a Difference, One Bar of Soap at a Time

Our history

I'm Monique Kofsky, an entrepreneur, wife, biochemist, and mom. I’ve always been passionate about gentle, natural skincare, and after years of searching for a solution for my sensitive skin, I decided to take matters into my own hands. By marrying ancient soap-making traditions with modern scientific knowledge, I created soaps that effectively soothe problem skin.

That’s when I launched Butter & Lye, a small business based in Brooklyn, New York, dedicated to providing top-quality, sustainable solutions for sensitive skin.

At the heart of everything we do here is care and kindness — for our customers, our community, and the environment.

A conversation with our Founder

Give back to a NYC community in need with our
Bar for Bar Program